Scientifically Formulated to Improve Upper and Lower Body Strength and Help Pack on Mass

Triggers Anabolic Factors with High-Quality Tribulus & Fenugreek

The Power of 5g of Creatine in 2 Tablet Delievers 189% Improved Muscle Creatine Absorption

What is Pro Performance® AMP Strength Vitapak® Program? Strength. Power. Mass. You train and prepare in the gym and on the field to reach your fullest physical potential. Now, with the AMP Strength Vitapak® Program powered by Mega Men® Sport, ensure you leave nothing under-utilized by maximizing the results of your supplement and training regimen. Each performance boosting pak delivers GNC's most optimal and precise combination of a premium daily multivitamin and sports nutrients. With over 50 powerful ingredients to support your total exercise strength training program, we've taken athletic performance nutrition to a whole new level. This scientifically mastered formula features a daily multivitamin and support nutrients combined with strength supporting mechanisms.

The Pro Performance® AMP Strength Vitapak® Program Evolution When activating the strength-building potential of this exclusive system, you amplify total strength results, increase muscular power and prepare your muscles to utilize the nutrients necessary to build mass with this complete training stack.* Most athletes today are not combining the proper combinations and ratios of critical sports nutrition. This advanced multivitamin platform delivered by Mega Men® Sport allows well-trained muscles to develop, build and recover. If attaining every possible ounce of strength is your goal to improve your competitive edge, then the AMP Strength Vitapak® Program is your new weapon in training.

Mega Men® Sport – This high-potency clinically studied^ sports multivitamin formula includes critical components to fill important nutrient gaps in regular supplementation programs. Mega Men® Sport contains B-vitamins that are important for energy production and carbohydrate metabolism.* It provides amino acids, including BCAA, and a joint cushioning blend for healthy joint cartilage.* Also features a broad spectrum of cell-protecting antioxidants and nutrients that aid in boosting immunity.*

Amplified Creatine 189™ – This advanced, cutting-edge formula has been clinically proven to get in your muscles better than ordinary creatine. Creatine promotes cellular hydration and helps fuel muscles to improve and enhance athletic performance.* This form increases strength with only 25% of the dose of ordinary creatine. In a clinical study, this form of creatine yielded 189% muscle creatine uptake relative to ordinary creatine monohydrate.† This allows you to take less and getmore into the muscle!

Disclaimer:
This scientific independent research is provided by Aisle7 and is for informational use only. GNC provides this information as a service but does not endorse it. Likewise, Aisle7 does not recommend or endorse any specific products.

For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Dose: 15 to 20 grams daily for five or six daysTaking this supplement for five or six days may improve performance of high-intensity, short-duration exercise (like sprinting) or sports with alternating low- and high-intensity efforts.(more)

Athletic Performance and High-Intensity, Short Duration Exercise or Sports with Alternating Low- and High-Intensity Efforts

Dose: 15 to 20 grams a day for five or six daysSupplementing with creatine may improve performance of non-weight bearing endurance exercises such as cycling.(more)

Dose: 5 grams three times a day for two weeks, and then 5 grams once daily

In a double-blind study, people with COPD received creatine or a placebo for 12 weeks. After the first 2 weeks of supplementation, all participants underwent an outpatient pulmonary rehabilitation program. Compared with the placebo, creatine significantly increased muscle strength, muscle endurance, and overall health status, but not exercise capacity.1 The amount of creatine used in this study was 5 grams three times a day for 2 weeks, and then 5 grams once a day for 10 weeks.

Dose: Refer to label instructionsA double-blind trial found that 20 grams per day of creatine taken for five days, followed by ten grams per day for 51 days, significantly lowered serum total cholesterol and triglycerides, but did not change either LDL or HDL cholesterol, in both men and women.1 However, another double-blind trial found no change in any of these blood levels in trained athletes using creatine during a 12-week strength training program.2 Creatine supplementation in this negative trial was lower-only 5 grams per day were taken for the last 11 weeks of the study.

A double-blind trial found that a supplement of 5 grams of creatine plus 1 gram of glucose taken four times per day for five days followed by twice a day for 51 days significantly lowered serum total triglycerides in both men and women.1 However, another double-blind trial found no change in any of these blood levels in trained athletes using creatine during a 12-week strength training program.2 Creatine supplementation in this negative trial was lower-only five grams per day was taken for the last 11 weeks of the study.

Creatine (creatine monohydrate) is used in muscle tissue for the production of phosphocreatine, a factor in the formation of ATP, the source of energy for muscle contraction and many other functions in the body.1, 2 Creatine supplementation increases phosphocreatine levels in muscle, especially when accompanied by exercise or carbohydrate intake.3, 4 It may also increase exercise-related gains in lean body mass, though it is unclear how much of these gains represents added muscle tissue and how much is simply water retention.5

Over 40 double-blind or controlled studies have found creatine supplementation (typically 136 mg per pound of body weight per day or 15 to 25 grams per day for five or six days) improves performance of either single or repetitive bouts of short-duration, high-intensity exercise lasting under 30 seconds each.6, 7, 8, 9, 10, 11, 12 Examples of this type of exercise include weightlifting; sprinting by runners, cyclists, or swimmers; and many types of athletic training regimens for speed and power. About 15 studies did not report enhancement by creatine of this type of performance. These have been criticized for their small size and other research design problems, but it is possible that some people, especially elite athletes, are less likely to benefit greatly from creatine supplementation.13

Fewer studies have investigated whether creatine supplementation benefits continuous high-intensity exercise lasting 30 seconds or longer. Five controlled studies have found creatine beneficial for this type of exercise,14 but one study found no benefit on performance of a military obstacle course run.15 Most studies of endurance performance have found no advantage of creatine supplementation, except perhaps for non-weight bearing exercise such as cycling. 16, 17, 18

Long-term use of creatine supplementation is typically done using smaller daily amounts (2 to 5 grams per day) after an initial loading period of several days with 20 grams per day. Very little research has been done to investigate the exercise performance effects of long-term creatine supplementation. One study reported that long-term creatine supplementation improved sprint performance.19 Four controlled long-term trials using untrained women,20 trained men,21 or untrained older adults found that creatine improved gains made in strength and lean body mass from weight-training programs.22, 23 However, two controlled trials found no advantage of long-term creatine supplementation in weight-training football players.24, 25

Creatine supplementation appears to increase body weight and lean body mass or fat-free mass, but these measurements do not distinguish between muscle growth and increased water content of muscle.26, 27 A few double-blind studies using more specific muscle measurements have been done and found that combining creatine supplementation with strength training over several weeks does produce greater increases in muscle size compared with strength training alone.28, 29, 30

Athletic Performance and High-Intensity, Short Duration Exercise or Sports with Alternating Low- and High-Intensity Efforts

Dose: 15 to 20 grams a day for five or six days

Creatine (creatine monohydrate) is used in muscle tissue for the production of phosphocreatine, a factor in the formation of ATP, the source of energy for muscle contraction and many other functions in the body.1, 2 Creatine supplementation increases phosphocreatine levels in muscle, especially when accompanied by exercise or carbohydrate intake.3, 4 It may also increase exercise-related gains in lean body mass, though it is unclear how much of these gains represents added muscle tissue and how much is simply water retention.5

Over 40 double-blind or controlled studies have found creatine supplementation (typically 136 mg per pound of body weight per day or 15 to 25 grams per day for five or six days) improves performance of either single or repetitive bouts of short-duration, high-intensity exercise lasting under 30 seconds each.6, 7, 8, 9, 10, 11, 12 Examples of this type of exercise include weightlifting; sprinting by runners, cyclists, or swimmers; and many types of athletic training regimens for speed and power. About 15 studies did not report enhancement by creatine of this type of performance. These have been criticized for their small size and other research design problems, but it is possible that some people, especially elite athletes, are less likely to benefit greatly from creatine supplementation.13

Fewer studies have investigated whether creatine supplementation benefits continuous high- intensity exercise lasting 30 seconds or longer. Five controlled studies have found creatine beneficial for this type of exercise,14 but one study found no benefit on performance of a military obstacle course run.15 Most studies of endurance performance have found no advantage of creatine supplementation, except perhaps for non-weight bearing exercise such as cycling. 16, 17, 18

Long-term use of creatine supplementation is typically done using smaller daily amounts (2 to 5 grams per day) after an initial loading period of several days with 20 grams per day. Very little research has been done to investigate the exercise performance effects of long-term creatine supplementation. One study reported that long-term creatine supplementation improved sprint performance.19 Four controlled long-term trials using untrained women,20 trained men,21 or untrained older adults found that creatine improved gains made in strength and lean body mass from weight-training programs.22, 23 However, two controlled trials found no advantage of long-term creatine supplementation in weight-training football players.24, 25

Creatine supplementation appears to increase body weight and lean body mass or fat-free mass, but these measurements do not distinguish between muscle growth and increased water content of muscle.26, 27 A few double-blind studies using more specific muscle measurements have been done and found that combining creatine supplementation with strength training over several weeks does produce greater increases in muscle size compared with strength training alone.28, 29, 30

Creatine (creatine monohydrate) is a colorless, crystalline substance used in
muscle tissue for the production of phosphocreatine, an important factor in the
formation of
adenosine triphosphate (ATP), the source of energy for muscle contraction and many other
functions in the body.1, 2

The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2016.

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First, the comment about the creatine pills being just a delivery system is correct (pharm background). The creatine seeps thru the casing. Taking daily along with a 5 min dumbell routine has refined and bulked me up a bit. I'm a fit guy by nature, but this combo has helped me look like I work out hard. A bit pricey tho.

Considering the price of this product, it is not worth the amount of money you pay especially since you only get 30 packs.I only wish I would have stopped using it sooner so I would not have wasted so much of my money.

I have been talking the product 4 a month I can say ..that the product made me stronger. I added 50lbs to my bench workout.I can say that the white pills would not dissolve 4 me .I have been slicing the pill n half and can still see the pill coating n my stool .And 4 dat reason after I finish my second box im going 2 try another product..

I've only taken it for three days but for whatever reason the amount of push ups i can do has decreased. I also feel more fatigued at work. Should I take this product with a lot of food? Is it ok to take it if my arms are so skinny? yet i am a skinny fat kid :( I don't know whether I should return it for a refund.. but I think I'll keep taking it for another week or so to see if results come later on. Then I will improve my review. For now I will deal with my cluelessness and hopefully not get depressed cuz i can do less pushups :(

Using this product was easy. Me being a hard one to gain weight I have done it for 1 month now and gain only two pounds in muscle. I can see results so I say it was a good buy. take one pack every day and workout, did get hungry a lot that's the only down side.

I use this product about one hour before working out. That is when I found that it really starts to kick in. It helps out with energy and strength and gives you that extra push to finish out weight you might not get otherwise. It may be a little expensiv for some but not too bad.

I like the convienience of the packs but they are pricey. I have tried both the ripped and the strength packs. On the fence about which one is better. I don't get the nausea on the Strength I had on the ripped although if I ate enough with the ripped I could avoid that.